As we know, the question raised by my title took on a new cogency during the last ten years of the twentieth century. The Rights of Man or Human Rights had just been rejuvenated in the seventies and eighties by the dissident movements in the Soviet Union and Eastern Europe_a rejuvenation that was all the more significant as the “formalism” of those rights had been one of the first targets of the young Marx, so that the collapse of the Soviet Empire could appear as their revenge. After this collapse, they would appear as the charter of the irresistible movement leading to a peaceful posthistorical world where global democracy would match the global market of liberal economy. +